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TRS3238EIDBR Datasheet(PDF) 1 Page - Texas Instruments |
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TRS3238EIDBR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page www.ti.com FEATURES APPLICATIONS DOUT1 DOUT2 DOUT3 RIN1 RIN2 DOUT4 RIN3 N.C. C1– DIN1 DIN2 DIN3 ROUT1 ROUT2 DIN4 ROUT3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C2 + GND C2- V- DOUT1 DOUT2 DOUT3 RIN1 RIN2 DOUT4 RIN3 DOUT5 FORCEON FORCEOFF C1+ V+ VCC C1- DIN1 DIN2 DIN3 ROUT1 ROUT2 DIN4 ROUT3 DIN5 ROUT1B INVALID DB, DW, OR PW PACKAGE (TOP VIEW) RHB PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 31 32 30 29 28 27 26 25 10 9 11 12 13 14 15 16 N.C. - Not inter nally connected DESCRIPTION/ORDERING INFORMATION TRS3238E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD (HBM) PROTECTION SLLS797 – JUNE 2007 • RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM) • Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards • Operates With 3-V to 5.5-V V CC Supply • Operates up to 400 kbit/s • Five Drivers and Three Receivers • Auto-Powerdown Plus Feature Enables Flexible Power-Down Mode • Low Standby Current . . . 1 μA Typical • External Capacitors . . . 4 × 0.1 μF • Accepts 5-V Logic Input With 3.3-V Supply • Always-Active Noninverting Receiver Output (ROUT1B) • Alternative High-Speed Pin-Compatible Device (1 Mbit/s) for TRSF3238 • ESD Protection for RS-232 Interface Pins – ±15 kV – Human-Body Model (HBM) – ±8 kV – IEC61000-4-2, Contact Discharge – ±15 kV – IEC61000-4-2, Air-Gap Discharge • Battery-Powered Systems • PDAs • Notebooks • Subnotebooks • Laptops • Palmtop PCs • Hand-Held Equipment • Modems • Printers The TRS3238E consists of five line drivers, three line receivers, and a dual charge-pump circuit with ±15-kV ESD (HBM) protection on the driver output (DOUT) and receiver input (RIN) terminals. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between notebook and subnotebook computer applications. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. In addition, the device includes an always-active noninverting output (ROUT1B), which allows applications using the ring indicator to transmit data while the device is powered down. This device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/ μs driver output slew rate. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. UNLESS OTHERWISE NOTED this document contains Copyright © 2007, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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